Pseudobrookite Group

A group of related mineral species

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Photos of Pseudobrookite Group (941)

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Pseudobrookite

Emmelberg, Üdersdorf, Daun, Vulkaneifel, Rhineland-Palatinate, Germany

Pseudobrookite

Emmelberg, Üdersdorf, Daun, Vulkaneifel, Rhineland-Palatinate, Germany

Pseudobrookite

Emmelberg, Üdersdorf, Daun, Vulkaneifel, Rhineland-Palatinate, Germany

Pseudobrookite

Emmelberg, Üdersdorf, Daun, Vulkaneifel, Rhineland-Palatinate, Germany

Pseudobrookite

Emmelberg, Üdersdorf, Daun, Vulkaneifel, Rhineland-Palatinate, Germany

Pseudobrookite

Emmelberg, Üdersdorf, Daun, Vulkaneifel, Rhineland-Palatinate, Germany

Pseudobrookite

Emmelberg, Üdersdorf, Daun, Vulkaneifel, Rhineland-Palatinate, Germany

Pseudobrookite

Emmelberg, Üdersdorf, Daun, Vulkaneifel, Rhineland-Palatinate, Germany

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About Pseudobrookite GroupHide

This page provides mineralogical data about Pseudobrookite Group.

Unique IdentifiersHide

Mindat ID:

55975

Long-form identifier:

mindat:1:1:55975:1

GUID
(UUID V4):

d1711ed3-c5fb-4de3-8483-b0376576f986

Classification of Pseudobrookite GroupHide

Strunz-mindat (2024):

4.CB.15

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
C : Metal: Oxygen = 2: 3,3: 5, and similar
B : With medium-sized cations

Crystal StructureHide

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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure

ID	Species	Reference	Year	Locality	Pressure (GPa)	Temp (K)
0000590	Armalcolite	Wechsler B A (1977) Cation distribution and high-temperature crystal chemistry of armalcolite American Mineralogist 62 913-920	1977		0	297
0000591	Armalcolite	Wechsler B A (1977) Cation distribution and high-temperature crystal chemistry of armalcolite American Mineralogist 62 913-920	1977		0	297
0000592	Armalcolite	Wechsler B A (1977) Cation distribution and high-temperature crystal chemistry of armalcolite American Mineralogist 62 913-920	1977		0	1373
0000593	Armalcolite	Wechsler B A (1977) Cation distribution and high-temperature crystal chemistry of armalcolite American Mineralogist 62 913-920	1977		0	297
0000594	Armalcolite	Wechsler B A (1977) Cation distribution and high-temperature crystal chemistry of armalcolite American Mineralogist 62 913-920	1977		0	673
0009835	Armalcolite	Wechsler B A, Von Dreele R B (1989) Structure refinements of Mg2TiO4, MgTiO3 and MgTi2O5 by time-of-flight neutron powder diffraction Acta Crystallographica B45 542-549	1989	synthetic	0	293
0009836	Armalcolite	Wechsler B A, Von Dreele R B (1989) Structure refinements of Mg2TiO4, MgTiO3 and MgTi2O5 by time-of-flight neutron powder diffraction Acta Crystallographica B45 542-549	1989	synthetic	0	293
0002073	Pseudobrookite	Yang H, Hazen R M (1999) Comparative high-pressure crystal chemistry of karrooite, MgTi2O5, with different ordering states American Mineralogist 84 130-137	1999		0	293
0002074	Pseudobrookite	Yang H, Hazen R M (1999) Comparative high-pressure crystal chemistry of karrooite, MgTi2O5, with different ordering states American Mineralogist 84 130-137	1999		1.03	293
0002075	Pseudobrookite	Yang H, Hazen R M (1999) Comparative high-pressure crystal chemistry of karrooite, MgTi2O5, with different ordering states American Mineralogist 84 130-137	1999		2.16	293
0002076	Pseudobrookite	Yang H, Hazen R M (1999) Comparative high-pressure crystal chemistry of karrooite, MgTi2O5, with different ordering states American Mineralogist 84 130-137	1999		3.22	293
0002077	Pseudobrookite	Yang H, Hazen R M (1999) Comparative high-pressure crystal chemistry of karrooite, MgTi2O5, with different ordering states American Mineralogist 84 130-137	1999		4.34	293
0002078	Pseudobrookite	Yang H, Hazen R M (1999) Comparative high-pressure crystal chemistry of karrooite, MgTi2O5, with different ordering states American Mineralogist 84 130-137	1999		6.2	293
0002079	Pseudobrookite	Yang H, Hazen R M (1999) Comparative high-pressure crystal chemistry of karrooite, MgTi2O5, with different ordering states American Mineralogist 84 130-137	1999		7.51	293
0002080	Pseudobrookite	Yang H, Hazen R M (1999) Comparative high-pressure crystal chemistry of karrooite, MgTi2O5, with different ordering states American Mineralogist 84 130-137	1999		0	293
0002081	Pseudobrookite	Yang H, Hazen R M (1999) Comparative high-pressure crystal chemistry of karrooite, MgTi2O5, with different ordering states American Mineralogist 84 130-137	1999		1.03	293
0002082	Pseudobrookite	Yang H, Hazen R M (1999) Comparative high-pressure crystal chemistry of karrooite, MgTi2O5, with different ordering states American Mineralogist 84 130-137	1999		2.16	293
0002083	Pseudobrookite	Yang H, Hazen R M (1999) Comparative high-pressure crystal chemistry of karrooite, MgTi2O5, with different ordering states American Mineralogist 84 130-137	1999		3.22	293
0002084	Pseudobrookite	Yang H, Hazen R M (1999) Comparative high-pressure crystal chemistry of karrooite, MgTi2O5, with different ordering states American Mineralogist 84 130-137	1999		4.34	293
0002085	Pseudobrookite	Yang H, Hazen R M (1999) Comparative high-pressure crystal chemistry of karrooite, MgTi2O5, with different ordering states American Mineralogist 84 130-137	1999		6.2	293
0002086	Pseudobrookite	Yang H, Hazen R M (1999) Comparative high-pressure crystal chemistry of karrooite, MgTi2O5, with different ordering states American Mineralogist 84 130-137	1999		7.51	293
0018179	Pseudobrookite	Pauling L (1930) The crystal structure of pseudobrookite _cod_database_code 1011342 Zeitschrift fur Kristallographie 73 97-113	1930		0	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Armalcolite'
loop_
_publ_author_name
'Wechsler B A'
_journal_name_full 'American Mineralogist'
_journal_volume 62 
_journal_year 1977
_journal_page_first 913
_journal_page_last 920
_publ_section_title
;
 Cation distribution and high-temperature crystal chemistry of armalcolite
 sample Arm-E, T = 24 deg C, before annealing
;
_database_code_amcsd 0000590
_chemical_formula_sum 'Fe.5 Mg.5 Ti1.999 O5'
_cell_length_a 9.7762
_cell_length_b 10.0341
_cell_length_c 3.7504
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 367.897
_exptl_crystal_density_diffrn      3.896
_symmetry_space_group_name_H-M 'B b m m'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,y,1/2+z'
  '-x,1/2+y,z'
  '1/2-x,1/2+y,1/2+z'
  'x,1/2-y,-z'
  '1/2+x,1/2-y,1/2-z'
  'x,y,-z'
  '1/2+x,y,1/2-z'
  '-x,-y,z'
  '1/2-x,-y,1/2+z'
  'x,1/2-y,z'
  '1/2+x,1/2-y,1/2+z'
  '-x,1/2+y,-z'
  '1/2-x,1/2+y,1/2-z'
  '-x,-y,-z'
  '1/2-x,-y,1/2-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
Fe1   0.80743   0.25000   0.00000   0.33200
Mg1   0.80743   0.25000   0.00000   0.33200
Ti1   0.80743   0.25000   0.00000   0.33500
Fe2   0.13464   0.43528   0.00000   0.08400
Mg2   0.13464   0.43528   0.00000   0.08400
Ti2   0.13464   0.43528   0.00000   0.83200
O1   0.22430   0.25000   0.00000   1.00000
O2   0.04640   0.88460   0.00000   1.00000
O3   0.31330   0.93480   0.00000   1.00000
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
Fe1 0.00673 0.00801 0.01382 0.00000 0.00000 0.00000
Mg1 0.00673 0.00801 0.01382 0.00000 0.00000 0.00000
Ti1 0.00673 0.00801 0.01382 0.00000 0.00000 0.00000
Fe2 0.00620 0.00888 0.01211 -0.00040 0.00000 0.00000
Mg2 0.00620 0.00888 0.01211 -0.00040 0.00000 0.00000
Ti2 0.00620 0.00888 0.01211 -0.00040 0.00000 0.00000
O1 0.01840 0.01071 0.01724 0.00000 0.00000 0.00000
O2 0.00968 0.00969 0.02216 -0.00099 0.00000 0.00000
O3 0.01162 0.01530 0.01119 -0.00050 0.00000 0.00000

Relationship of Pseudobrookite Group to other SpeciesHide

Group Members:

Armalcolite	(Mg,Fe²⁺)Ti₂O₅	Orth. mmm (2/m 2/m 2/m)
Ferropseudobrookite	Fe²⁺Ti₂O₅	Orth. mmm (2/m 2/m 2/m) : Cmcm
Griffinite	Al₂TiO₅	Orth. mmm (2/m 2/m 2/m) : Cmcm
Pseudobrookite	Fe₂TiO₅	Orth. mmm (2/m 2/m 2/m)
Sassite	Ti³⁺₂Ti⁴⁺O₅	Orth. mmm (2/m 2/m 2/m) : Cmcm

Related Minerals - Strunz-mindat Grouping Hide

4.CB.	Ferrohögbomite-2N2S	[(Fe²⁺,Mg,Zn,Al)₃(Al,Ti,Fe³⁺)₈O₁₅(OH)]₂	Hex. 6mm : P6₃mc
4.CB.	Magnesiohögbomite-6N12S	Mg₅Al₁₁TiO₂₃(OH)	Trig. 3m (3 2/m) : R3m
4.CB.	Zhenruite	(MoO₃)₂ · H₂O	Mon. 2/m : P2₁/m
4.CB.	Pengite	(Pb₈Sb³⁺₃)_Σ11Sb⁵⁺₉O₃₅	Trig. 3m (3 2/m) : R3m
4.CB.	Virgilluethite	MoO₃ · H₂O	Mon. 2/m : P2₁/b
4.CB.05	Brizziite	NaSb⁵⁺O₃	Trig. 3 : R3
4.CB.05	Corundum	Al₂O₃	Trig. 3m (3 2/m) : R3c
4.CB.05	Ecandrewsite	(Zn,Fe²⁺,Mn²⁺)TiO₃	Trig. 3 : R3
4.CB.05	Eskolaite	Cr₂O₃	Trig. 3m (3 2/m) : R3c
4.CB.05	Geikielite	MgTiO₃	Trig. 3 : R3
4.CB.05	Hematite	Fe₂O₃	Trig. 3m (3 2/m) : R3c
4.CB.05	Ilmenite	Fe²⁺TiO₃	Trig. 3 : R3
4.CB.05	Karelianite	V³⁺₂O₃	Trig. 3m (3 2/m) : R3c
4.CB.05	Melanostibite	Mn²⁺₂Fe³⁺Sb⁵⁺O₆	Trig. 3 : R3
4.CB.05	Pyrophanite	Mn²⁺TiO₃	Trig. 3 : R3
4.CB.05	Akimotoite	(Mg,Fe²⁺)SiO₃	Trig. 3 : R3
4.CB.05	Auroantimonate	AuSbO₃
4.CB.05	UM1998-11-O-AuHSb	Au⁺₂Sb³⁺O₂(OH)
4.CB.05	Tistarite	Ti³⁺₂O₃	Trig. 3m (3 2/m) : R3c
4.CB.05	Unnamed (Fe-Cr Oxide)	FeCrO₃	Trig. 3 : R3
4.CB.05	Hemleyite	(Fe²⁺_0.48Mg_0.37Ca_0.04Na_0.04Mn²⁺_0.03Al_0.03Cr³⁺_0.01)_sum=1.00Si_1.00O₃	Trig. 3 : R3
4.CB.10	Avicennite	Tl₂O₃	Iso. m3 (2/m 3) : Ia3
4.CB.10	Bixbyite-(Mn)	Mn³⁺₂O₃	Iso. m3 (2/m 3) : Ia3
4.CB.10	Bixbyite-(Fe)	(Fe,Mn)₂O₃	Iso.
4.CB.15	Armalcolite	(Mg,Fe²⁺)Ti₂O₅	Orth. mmm (2/m 2/m 2/m)
4.CB.15	Sassite	Ti³⁺₂Ti⁴⁺O₅	Orth. mmm (2/m 2/m 2/m) : Cmcm
4.CB.15	Pseudobrookite	Fe₂TiO₅	Orth. mmm (2/m 2/m 2/m)
4.CB.15	Ferropseudobrookite	Fe²⁺Ti₂O₅	Orth. mmm (2/m 2/m 2/m) : Cmcm
4.CB.15	Griffinite	Al₂TiO₅	Orth. mmm (2/m 2/m 2/m) : Cmcm
4.CB.20	Zincohögbomite-2N2S	[(Zn,Al,Fe²⁺)₃(Al,Fe³⁺,Ti)₈O₁₅(OH)]₂	Hex. 6mm : P6₃mc
4.CB.20	Zincohögbomite-2N6S	[(Zn,Mg)₇(Al,Fe³⁺,Ti)₁₆O₃₁(OH)]₂	Hex. 6mm : P6₃mc
4.CB.20	Magnesiohögbomite-6N6S	[(Mg,Fe²⁺)₃(Al,Ti,Fe³⁺)₈O₁₅(OH)]₆	Trig. 3m (3 2/m) : R3m
4.CB.20	Magnesiohögbomite-2N3S	[(Mg,Fe²⁺,Zn)₄(Al,Ti,Fe³⁺)₁₀O₁₉(OH)]₂	Trig. 3m (3 2/m) : P3 1m
4.CB.20	Magnesiohögbomite-2N2S	[(Mg,Fe²⁺)₃[Al₇(Ti,Fe³⁺)]O₁₅(OH)]₂	Hex. 6mm : P6₃mc
4.CB.20	Ferrohögbomite-6N12S	[(Fe²⁺,Mg,Zn)₅(Al,Ti,Fe³⁺)₁₂O₂₃(OH)]₆	Trig. 3m (3 2/m) : R3m
4.CB.20	Magnesiohögbomite-2N4S	(Mg_8.43Fe²⁺_1.57)_sum=10Al₂₂Ti⁴⁺₂O₄₆(OH)₂	Hex. 6mm : P6₃mc
4.CB.20	Magnesiobeltrandoite-2N3S	(Mg₆Al₂)(Al₁₈Fe³⁺₂)O₃₈(OH)₂	Trig. 3m : P3m1
4.CB.20	Zincovelesite-6N6S	Zn₃(Fe³⁺,Mn³⁺,Al,Ti)₈O₁₅(OH)	Trig. 3m (3 2/m) : P3m1
4.CB.25	Pseudorutile	Fe₂Ti₃O₉	Hex. 6 2 2 : P6₃ 2 2
4.CB.25	Kleberite	FeTi₆O₁₁(OH)₅	Mon. 2/m : P2₁/b
4.CB.30	Berdesinskiite	V³⁺₂TiO₅	Mon.
4.CB.30	Oxyvanite	V³⁺₂V⁴⁺O₅	Mon. 2/m : B2/b
4.CB.30	Kaitianite	Ti³⁺₂Ti⁴⁺O₅	Mon. 2/m : B2/b
4.CB.35	Olkhonskite	(Cr,V)₂Ti₃O₉	Mon.
4.CB.35	Schreyerite	V³⁺₂Ti₃O₉	Mon. 2/m : B2/b
4.CB.35	Machiite	Al₂Ti₃O₉	Mon. 2/m : B2/b
4.CB.35	Vestaite	(Ti⁴⁺Fe²⁺)Ti⁴⁺₃O₉	Mon. 2/m : B2/b
4.CB.40	Kamiokite	Fe₂Mo₃O₈	Hex. 6mm : P6₃mc
4.CB.40	Nolanite	V³⁺₈Fe³⁺₂O₁₄(OH)₂	Hex. 6mm : P6₃mc
4.CB.40	Rinmanite	Zn₂Sb₂Mg₂Fe₄O₁₄(OH)₂	Hex. 6 : P6₃
4.CB.40	Iseite	Mn₂Mo₃O₈	Hex. 6mm : P6₃mc
4.CB.40	Majindeite	Mg₂Mo₃O₈	Hex. 6mm : P6₃mc
4.CB.45	Claudetite	As₂O₃	Mon. 2/m
4.CB.45	Stibioclaudetite	AsSbO₃	Mon. 2/m : P2₁/m
4.CB.50	Arsenolite	As₂O₃	Iso. m3m (4/m 3 2/m) : Fd3m
4.CB.50	Senarmontite	Sb₂O₃	Iso. m3m (4/m 3 2/m) : Fd3m
4.CB.55	Valentinite	Sb₂O₃	Orth. mmm (2/m 2/m 2/m) : Pccn
4.CB.60	Bismite	Bi₂O₃	Mon. 2/m : P2₁/b
4.CB.65	Sphaerobismoite	Bi₂O₃	Tet.
4.CB.70	Sillénite	Bi₁₂SiO₂₀	Iso. 2 3 : I2 3
4.CB.75	Kyzylkumite	V³⁺Ti₂O₅(OH)	Mon. 2/m : P2₁/b
4.CB.80	Tietaiyangite	Fe³⁺₄Fe²⁺TiO₉	Hex.
4.CB.85	Liuite	FeTiO₃	Orth. mmm (2/m 2/m 2/m) : Pnma
4.CB.90	Luogufengite	Fe₂O₃	Orth. mm2 : Pna2₁
4.CB.95	Wangdaodeite	FeTiO₃	Trig. 3m : R3c